Packaging



Jan. 10, 1967 w. R. SCHOLLE PACKAGING 2 Sheets-Sheet 1 Filed June 9,1964 I NVENTOR WILLIAM R. ScHoLua #CAQZLM A-r'rvs.

W. R. SCHOLLE Jan. 1967 PACKAGING 2 Sheets-Sheet 2 Filed June 9, 1964INVENTOR WILLIAM R. SCHOLLE b zflaw ODM-OWWW A'r-rvs,

United States Patent 3,297,225 PACKAGING William R. Scholle, Long Beach,Calif., assignor to Scholle Container Corporation, Chicago, 111., acorporation of Illinois Filed June 9, 1964, Ser. No. 373,627 3 Claims.(Cl. 229-14) This invention relates to improvements in packaging andmore particularly to that class of packages where a flexible plasticbag, such as of polyethylene, and containing, or adapted to contain aliquid such as a chemical or a food, is sealed and disposed within arectangular rigid paperboard container.

One method of dispensing the contents of a package of the aforesaidclass is to pierce a side wall of the container, including its linerbag, by means of a probe to the outer end of which there may beconnected a conduit or spigot. As an aid in maintaining the liner bagtaut and retained adjacent the carton wall at the area of probing it isdesirable that means be provided to secure the liner bag, or a portionthereof, at or adjacent to said area.

As will appear from the following specification and accompanyingdrawings, the foregoing object is accomplished in a simple and effectivemanner.

In the accompanying drawings,

FIG. 1 is a perspective view of one end, i.e., the bottom of apaperboard carton, the carton having disposed therein a plastic linerbag, the end flap of the carton being open.

FIG. 2 is a progressive view of the carton of FIG. 1 showing one of theend flaps closed down and a portion or corner of the liner bagprojecting outwardly thereof and outwardly of the carton side wall. 1

FIG. 3 is a further progressive view of the carton of FIGS. 1 and 2wherein the outwardly extending liner bag is folded down and engagedbetween the first folded down flap of FIG. 2 and another flapsequentially folded down thereover.

FIG. 4 is a perspective view with all the end flaps of the carton bottomsecured down.

FIG. 5 is a perspective view of the carton of FIG. 4 inverted inoperative position, with parts broken away, and a probe adapted topierce the assembly.

FIG. 6 is a fragmentary sectional view of the carton assembly of theprevious figures with a dispensing probe projecting through a containerwall and the adjacent anchored liner bag.

Referring to the drawings, the reference numeral 10 generally indicatesa rigid paperboard rectangular carton comprising side and end walls 11and opposed full side flaps 12 and 14 hinged to opposed side walls, andopposed end half-flaps 13, 13 hinged to opposed end walls, the bottomend only being shown. It will be understood that the opposed or topforming end of the carton is provided with similar closure flaps.

Disposed within the carton 10 is a liner bag 15, of the characterpreviously described. This liner bag is conveniently of pillow-shapedcharacter composed of tubular material transversely heat sealed at itsopposed ends as at 16. End portions of the bag in the form of corners 17and 18 are generally folded down inside the carton against the firstfolded down side flap. In accordance with the present invention, whenthe first side flap 12 is folded down, the bag corner 17 is permitted toremain inwardly whereas the corner 18 is caused to project outwardly.(Although not so illustrated, it will be understood that the corner 17can also be permitted to remain outwardly of flap 12.)

Thereafter the end flaps 13, 13 are closed down and adhesively securedto the flap 12, with the bag corner 18 3,297,225 Patented Jan. 10, 1867secured between the flap 12 and one or both flaps 13. The corner 18 isdesirably also adhesively united to one or both of its embracing cartonflaps. After the flaps 13, 13 are sealed down, the flap 14 is sealedthereover to complete the carton bottom assembly, as shown in FIG. 4,and then inverted for use, as shown in FIGS. 5 and 6.

As shown in the drawings, one of the end walls 11 is suitably marked oris actually formed with a knock-out perforated portion 19 adjacent tothe carton bottom and the fold line 20, and where the corner 13 isfolded over one edge of flap 12 and held between flap'12 and one of theflaps 13. In this manner the liner bag 15 will be held stretched or tautat the area or point where it will be pierced by the probe 21. This alsopermits the probe to cleanly pierce the liner bag and cause the linerbag to be held in position so that its pierced portion 22 will readilyremain free of the probe apertures 23 and permit smooth flow of theliquid contents 24 outwardly through spigot 25, without leakage of theliquid between the liner bag and the carton wall.

Although not shown, it will be understood that the liner bag can have areinforcing patch of flexible plastic material adhered over the area tobe pierced by probe 21.

Further, although for clearness of illustration I have shown the linerbag 15 to be composed of a single ply, it will be understood that, as iswell known, it can be composed of two or more plies.

I claim:

1. A lined container comprising an outer rigid rectangular paperboardcontainer body including side and end walls, first and second opposedfull end closure flaps hinged to said side walls, and opposed half flapshinged to said end walls, a pillow-shaped plastic flexible liner bagdisposed in same rigid container with at least one corner portionprojecting outwardly of said side walls and folded about a lateral edgeof said first side flap with one of said end flaps folded thereover,said second side flap lying in sealed engagement to and over said endflaps, one of said end walls including a defined probing area disposedadjacent to the hinge line of its end closure flap and adjacent to thelateral edge of said first side closure flap about which said bag cornerportion is folded.

2. The container of claim 1 wherein said liner bag corner is furtheradhesively secured between said first side flap and said overfolded endflap.

3. The method of engaging a flexible pillow-shaped liner bag to anembracing rigid paperboard container body, said body including side andend walls, first and second opposed full side flaps hinged to said sidewalls, opposed half-flaps hinged to said end walls, a defined probingarea being disposed on one of said end walls adjacent the hinge line ofits end flap, first folding down said first side flap, extending acorner of said bag outwardly of said side walls and folding about alateral edge of said first flap adjacent to said end wall probing area,next folding down said end flaps, and then sealing thereover said secondside flap.

References Cited by the Examiner UNITED STATES PATENTS 695,273 3/1902Birnie et al. 229-14 3,112,057 11/1963 Lipschutz et al 229-14 3,113,71212/1963 Kindseth 229-14 3,121,521 2/1964 Boone 22914 GEORGE O. RALSTON,Primary Examiner. JOSEPH R. LECLAIR, Examiner.

R. PESHOCK, Assistant Examiner.

1. A LINED CONTAINER COMPRISING AN OUTER RIGID RECTANGULAR PAPERBOARDCONTAINER BODY INCLUDING SIDE AND END WALLS, FIRST AND SECOND OPPOSEDFULL END CLOSURE FLAPS HINGED TO SAID SIDE WALLS, AND OPPOSED HALF FLAPSHINGED TO SAID END WALLS, A PILLOW-SHAPED PLASTIC FLEXIBLE LINER BAGDISPOSED IN SAME RIGID CONTAINER WITH AT LEAST ONE CORNER PORTIONPROJECTING OUTWARDLY OF SAID SIDE WALLS AND FOLDED ABOUT A LATERAL EDGEOF SAID FIRST SIDE FLAP WITH ONE OF SAID END FLAPS FOLDED THEREOVER,SAID SECOND SIDE FLAP LYING IN SEALED ENGAGEMENT TO AND OVER SAID ENDFLAPS, ONE OF SAID END WALLS INCLUDING A DEFINED PROBING AREA DISPOSEDADJACENT TO THE HINGE LINE OF ITS END CLOSURE FLAP AND ADJACENT TO THELATERAL EDGE OF SAID FIRST SIDE CLOSURE FLAP ABOUT WHICH SAID BAG CORNERPORTION IS FOLDED.